DS2431P+T&R
Memory
Technical Specifications
| Type | Description |
|---|---|
| Memory Size | 1Kbit |
| Data Retention - TDR (Year) | 40 Years |
| Write Cycle Time(tWC) | - |
| Write Cycle Endurance | 200,000 cycles |
| Operating Temp | -40°C ~ +85°C |
| Type | Description |
|---|---|
| Features | Page write protection function;Noise suppression function |
| Working Voltage V | 4.025 V |
| Maximum Clock Speed | - |
| Interface | Single bus |
| Package / Case | TSOC-6 |
Product Introduction
The DS2431 is a 1024-bit, 1-Wire EEPROM chip organized as four memory pages of 256 bits each. Data is written to an 8-byte scratchpad, verified, and then copied to the EEPROM memory. As a special feature, the four memory pages can individually be write protected or put in EPROM-emulation mode, where bits can only be changed from a 1 to a 0 state. The DS2431 communicates over the single-conductor 1-Wire bus. The communication follows the standard 1-Wire protocol. Each device has its own unalterable and unique 64-bit ROM registration number that is factory lasered into the chip. The registration number is used to address the device in a multidrop, 1-Wire net environment.
Features
- 1024 Bits of EEPROM Memory Partitioned Into Four Pages of 256 Bits
- Individual Memory Pages Can Be Permanently Write Protected or Put in EPROM-Emulation Mode (“Write to 0”)
- Switchpoint Hysteresis and Filtering to Optimize Performance in the Presence of Noise
- IEC 1000-4-2 Level 4 ESD Protection (±8kV Contact, ±15kV Air, Typical)
- Reads and Writes Over a Wide Voltage Range from 2.8V to 5.25V from -40℃ to +85℃
- Communicates to Host with a Single Digital Signal at 15.4kbps or 125kbps Using 1-Wire Protocol
- Also Available as Automotive Version Meeting AEC-Q100 Grade 1 Qualification Requirements (DS2431-A1; Refer to the IC Data Sheet for Details)
Applications
- - Accessory/PCB Identification - Medical Sensor Calibration Data Storage - Analog Sensor Calibration Including IEEE P1451.4 Smart Sensors - Ink and Toner Print Cartridge Identification - After-Market Management of Consumables
Datasheet
Alternative Parts
Common DS2431P+T&R alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542329000 |
| USHTS | 8542320071 |
| TARIC | 8542329000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423299 |
| INHTS | 85423200 |
| MXHTS | 8542.32.99 |
Sourcing Information
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